Hartnack microscope binocular head
Datecirca 1875
Inventory Number1145b
ClassificationMicroscope Accessory
Subject
Maker
E. Hartnack et Cie
founded 1872
Owner
William Sturgis Bigelow
1850 - 1926
Collector
Ernst-Lewis Collection of Microscopes
Cultural Region
Place of Origin
Dimensionsbinocular head: 15.5 × 9.5 × 4.5 cm (6 1/8 × 3 3/4 × 1 3/4 in.)
case: 6.5 × 23 × 11.5 cm (2 9/16 × 9 1/16 × 4 1/2 in.)
box: 17.8 × 35.6 × 22.9 cm (7 × 14 × 9 in.)
case: 6.5 × 23 × 11.5 cm (2 9/16 × 9 1/16 × 4 1/2 in.)
box: 17.8 × 35.6 × 22.9 cm (7 × 14 × 9 in.)
Material
Accessoriesmatching oculars (2); case
DescriptionThis is a Hartnack & Cie. binocular head to convert a monocular compound microscope for binocular use. A trapezoidal box of darkened brass houses rack and pinion to alter the interocular distance of the two eyepiece tubes. The adjustment is made by a knurled screw on the outside of the box. The binocular tubes are darkened brass, too, and contain a matching set of eyepieces.
The instrument comes with a fitted wood case covered in green leather. The interior compartments are cushioned by purple velvet faded to taupe. The lid is padded and covered faded purple silk, which is shredded in places. The sides of the box interior are lined with cardstock covered in purple silk. The brass hardware is covered by purple ribbon.
The instrument comes with a fitted wood case covered in green leather. The interior compartments are cushioned by purple velvet faded to taupe. The lid is padded and covered faded purple silk, which is shredded in places. The sides of the box interior are lined with cardstock covered in purple silk. The brass hardware is covered by purple ribbon.
Signedon instrument: E. Hartnack et Cie. / Place Dauphine, 21 / Paris
Curatorial RemarksAccording to file, this was received by Dr. Ernst in 1921, but not catalogued then. Later it became no. 146 in the Ernst-Lewis Collection. Even later it was put with 1145, and became 1145b. 1146 was reassigned to a different instrument.
ProvenanceDr. William Sturgis Bigelow, purchased in Paris, 1875; Ernst-Lewis Collection of Microscopes (inv. no. 145), Harvard Medical School, 1921.
Historical AttributesDr. William Sturgis Bigelow (MD 1874, Harvard Medical School) was continuing his medical trainng in Paris under Louis Pasteur in 1875, when he bought this binocular head. He might have taken it with him to Japan in 1881.
E. Hartnack & A. Prazmowski
Date: circa 1870
Accessories: objectives (7): 1, 2, 4, 5, 7, 9,10 in fitted box ; eyepieces (4): 1, 4, 5, 6; cup diaphragms (4); polarizer set; bull's eye condenser on stand; Oberhaeuser-style camera lucida; tweezers; substage rotating wheel diaphragm attached to holder with blue glass filter; substage glass filter holder with blue glass filter; substage condenser; dual nosepiece, Hartnack 1/100 mm stage micrometer; flat case; key; magnification table; price lists (2).
Object number: 1080
E. Hartnack & A. Prazmowski
Date: circa 1880
Accessories: objectives in green leather box (5): 2, 4, 6, 7, and unmarked; objectives in brown box (2): 2, 3; oculars (5); 1, 2, 3, 4, 5; polarizing eyepiece and substage apparatus; substage condenser; substage cup diaphragms (4); slider with sleeve to hold substage accessories; large bull's eye condenser with stand; aperture-stop rotating wheel; blue filters (3); flat case; case keys (2).
Object number: 1145a
Constant Vérick
Date: circa 1875
Accessories: oculars (3): 1, 2, 3; objectives (7): 0, 2, 4, 6, 8, 10 water immersion (2); substage stops (3); condenser with aperture diaphragm wheel on dovetail slide; bullseye; revolving double nosepiece; spatula; blue glass filter; case; and key
Object number: 1012
E. Hartnack & A. Prazmowski
Date: 1870-1880
Object number: 1998-1-0584a
E. Hartnack & A. Prazmowski
Date: 1870-1880
Object number: 1998-1-0584b
E. Hartnack & A. Prazmowski
Date: 1874-1881
Accessories: objectives in box (3): 7, 9, convertible 4; oculars (4): 2, 3, 4, 5; bull's eye lens; cup diaphragms (3); dissecting needles (3); case; key.
Object number: 1195
Constant Vérick
Date: circa 1885
Accessories: objectives (2): 2, 7; objective box; spare nosepiece; oculars (3): 1, 2, 3; ocular that is too small: 0; dissecting needles (2); tweezers; flat case; key.
Object number: 1034
E. Hartnack et Cie
Date: 1880
Accessories: objectives (3) in fitted box no. 21106: 2, 9, low power convertible without number; oculars(2): 2, 3; adapters (2); brush; glassrod; needle; round tin box; key; flat case
Object number: 1142
R. & J. Beck
Date: 1876
Accessories: oculars (2) in microscope; Darker's selenite retarding filters (3); wheel diaphragm; mechanical rotary stage; stage slider. Other accessories are in the case (1122b), including monocular draw tube; oculars (3); objectives in cans (5); empty can; Lieberkühn; polarizing set; slides; camera lucidas (2); etc.; plus a Beck patent substage condenser (1122c); and apertometer (1122d).
Object number: 1122a
See also/See also
